Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor

UE - Gameplay - Blueprint - May 13, 2015

Delegation issue with copied instances of a Trigger BP that is based off of the StaticMeshActor parent class. If bp Trigger A is placed into the level and then 2 copies are made (B & C), when C i ...

UDN: ChildBP - When replacing Static or SkelMesh Compoent inherited from the Parent Class, Socket list doesn't update

UE - Gameplay - Blueprint - May 21, 2015

This is simple, but maybe hard to explain, so hear with me. I've attached a sample project and Repro Steps below in case it's not clear. Basically: 1. Make BP_Parent with an unassigned Mesh (Stati ...

Timelines: Issues with Editing Vector Tracks.

Tools - Jul 13, 2015

I'm seeing multiple issues when trying to edit a vector track. 1. A lot of the time it wont even let you add a key with shift click. 2: If you have a certain channel open, and you right click to a ...

[MetaSounds]- Attemping to copy and paste inputs between graphs can cause nodes with duplicate pins

UE - Audio - MetaSounds - Aug 15, 2023

Video example: [Link Removed] Occurs in 5.2 as well as 5.2. ...

ChaosWheeledVehicleMovementComponent is breaking the const CDO contract and changes to the instances are being applied to the CDO

UE - Simulation - Physics - Apr 28, 2025

As described by the licensee, the const CDO contract is being broken on ChaosWheeledVehicleMovementComponent. The issue the licensee is facing is that by spawning cars with different configurations, ...

When a BPActor containing HISMs is multiplied with a scale, LOD display control doesn't work correctly

UE - Rendering Architecture - Nov 29, 2023

Workaround 1: 1. Change HierarchicalInstancedStaticMesh.cpp in either of the following ways:void{{ FHierarchicalStaticMeshSceneProxy::GetDynamicMeshElements(const TArray<const FSceneView*>& Views, c ...

Retargeting Pose From Mesh Does Not Retarget With Source Mesh Component and Skeletal Mesh Variable Types

UE - Anim - Rigging - Retargeting - May 11, 2022

Occurs 5/5 times *Regression *does not occur: No Retargeting Pose From Mesh node in //UE4/Release-4.27.2. Retarget Pose From Mesh node does not retarget when used with Source Mesh Component and Sk ...

A C++ project with the name, "GearVR", will not build

UE - Foundation - Core - Jul 28, 2015

A C++ project with the name, "GearVR", will not build. This does not occur with content-only projects named GearVR. In 4.7.6 and 4.8.2, it fails during Compiling and an error message appears: Runni ...

Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion

UE - Gameplay - Blueprint - Apr 19, 2016

Using a 'Format Text' node to set a 'Text Render' component will crash on map load after project conversion[EUS] TJ Ballard - Opened the map on a users project from this AnswerHub post: https://answ ...

Play Media Player Node Causes Blueprint Functions to be Uncallable

UE - Gameplay - Blueprint - Feb 23, 2016

This only occurs in standalone or a packaged game Having a Play Media Player node in a blueprint causes all of that blueprint's functions to become uncallable. Found in 4.11 Preview 5. Reproduced ...